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Two progressive transverse waves given b...

Two progressive transverse waves given by `y_(1) =0.007 sinpi ( 12x- 500 t )`and `y _(2) = 0.07 sin pi ( 12x+500t)` travelling along a stretched string from nodes and antinodes . What is the displacement at the (a) nodes (b) antinodes ? What is the wavelength of the standing wave ?

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`1//6 m`
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